VERTECFOTO 【Upgraded+】 Tripod Leveling Base :Support 1/4" and 3/8" Both on top and Bottom， Bigger Bubble Level w/Crosshair, Fine Leveling Faster; Enlarged Lock knobs, Lock Easier,; Max Load 33 Ib

【SUPPORT 1/4"" and 3/8"" for Top and Bottom】Compatible with 1/4"" and 3/8"" thread both on the top and at the bottom.. 【Larger bubble level with crosshair】Larger bubble level with crosshair to make leveling much more intuitive, easier & faster.. 【Enlarged locking knobs in red & Fine-tuning knobs in grey】The enlarged locking knobs make it easier to lock for leveling stability. Use different colors to better identify between the lock knobs and the fine-tuning knobs.. 【±6 degrees leveling fine adjustment】The tri-point fine leveling design allows for precise leveling up to ±6 degrees adjustments.. 【Sturdy & Compact】The body made of aluminum alloy by CNC precision process, Weighing at 7.23Ounces(205g), load capacity of 33LBS (15kg)